<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>第六个</title>
    <style>
        html,
        body {
            cursor: pointer;
        }
    </style>
    <script>
        window.onload = function () {
            var event = event || window.event
            document.onclick = function (event) {
                alert("坐标：【" + event.clientX + "," + event.clientY + "】");

            }
        }
    </script>
</head>

<body>
    <div>

        <h4>
            随便点页面的任意地方
        </h4>
    </div>
</body>

</html>